Im having trouble with this algebra problem

it's a like terms problem so it's
7b-b-x+5-2x-7b
and tell me some tips if you have some

First combine all the "b"s and then combine all the "x"s. 7-1-7=-1 and 1-2=-1. So you have -b and -x and 5. So the simplified version is 5-b-x